/* summing.c -- sums integers entered interactively */
#include <stdio.h>
int main(void)
{
	long num;
	long sum = 0L;		/* initialize sum to zero	*/
	int status;

	printf("Please enter an integer to be summed ");
	printf("(q to exit): ");
	status = scanf("%ld", &num);
	while (status == 1)	/* == means "is equal to"	*/
	{
		sum = sum + num;
		printf("Please enter next integer (q to quit): ");
		status = scanf("%ld", &num);
	}
	printf("Those integers sum to %ld.\n", sum);
	
	return 0;
}